# Question

Which statement is correct concerning the normal approximation? Why not the others?

a. The normal Poisson approximation is acceptable when λ ≥ 10.

b. The normal binomial approximation is better when n is small and π is large.

c. Normal approximations are needed since Excel lacks discrete probability functions.

a. The normal Poisson approximation is acceptable when λ ≥ 10.

b. The normal binomial approximation is better when n is small and π is large.

c. Normal approximations are needed since Excel lacks discrete probability functions.

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